﻿#region License
// Copyright 2011 Buu Nguyen (http://www.buunguyen.net/blog)
// 
// Licensed under the Apache License, Version 2.0 (the "License"); 
// you may not use this file except in compliance with the License. 
// You may obtain a copy of the License at 
// 
// http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, 
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
// See the License for the specific language governing permissions and 
// limitations under the License.
// 
// The latest version of this file can be found at http://combres.codeplex.com
#endregion

using System;
using System.IO;

namespace Combres
{
    internal class Utils
    {
        public static TResult UseTempFile<TResult>(Func<string, TResult> func)
        {
            return UseTempFileInternal(func, null);
        }

        public static TResult UseTempFile<TResult>(string content, Func<string, TResult> func)
        {
            return UseTempFileInternal(func, content);
        }

        private static TResult UseTempFileInternal<TResult>(Func<string, TResult> func, string content)
        {
            var tmpFile = Path.GetTempFileName();
            try
            {
                if (!string.IsNullOrEmpty(content))
                    File.WriteAllText(tmpFile, content);
                return func(tmpFile);
            }
            finally
            {
                File.Delete(tmpFile);
            }
        }
    }
}
